OMEN by HP 15-dh0008tx LA-H492P LA-H481P

s 15 inch and 17 inch use same bios because i tried bios that you uploaded laptop can turn on caps and num is working but no display i tried external monitor also but same if both models dont use same bios please share for 17inch model
 
can you please suggest what could be the problem intel and nvidia gpu not show num lock is working and no display on internal or external display i connect usb to hdmi converter its showing no video card detected i already changed cpu and gpu but still no result can you please suggest what could be the issue
if the driver can't install i think hardware problem.
 

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